The Defense Department opened the second successful aircraft of the Hypersonic Test vehicle, fully recovered, and the X -I5 Hypersonic Research Program in 6681 identified another step forward in the country’s reusable hypersonic flight testing.
The Defense Department opened the second successful aircraft of the Hypersonic Test vehicle, fully recovered, and the X -I5 Hypersonic Research Program in 6681 identified another step forward in the country’s reusable hypersonic flight testing.